In kefir put sugar, salt, add vegetable oil, stir and heat the mixture to a temperature of 38 degrees ( the mixture was a bit warm)

Separately sift the flour, add the yeast and mix well so that the yeast is evenly distributed

Gradually add the flour kefir mixture, knead the dough for 15 minutes

Cover the dough with a towel and place in warm for 30 minutes, better 1 hour.

The dough should increase 2 times

Prepare the filling in advance, otherwise the dough perestoit and will have an unpleasant taste. For our toppings apples peel and core, cut into small pieces, place in a small saucepan, add sugar and butter and cook for 10 minutes on low heat, stirring constantly. Leave the filling to cool. Further, when the filling and the dough is ready, proceed to the modeling of pies Table sprinkle with flour, put the dough, obtinem it and divide into 20 equal parts. Each portion is rolled round pellet with a diameter of slightly more than 10 cm, in the middle put 1 tbsp filling.

Carefully close up edges

The baking pan cover baking paper, grease the surface with oil and spread the pies seam side down. Whisk lightly whisk the egg yolk and lubricates the surface of the pies. Leave for 15 minutes and then bake in preheated oven for 25 minutes at a temperature of 190-200 degrees.